HP Surestore 160ex - Optical Jukebox Скачать руководство пользователя страница 125 | Manualshive

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HP Surestore 160ex - Optical Jukebox Скачать руководство пользователя страница 125

Removal and Replacement

Protecting Yourself and the Product

Chapter 5

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Protecting Yourself and the Product

WARNING

Do not disassemble

the optical drive mechanism. The optical

drive mechanism becomes a Class 3B laser device when
disassembled. If the drive is disassembled, exposure to the
invisible laser beam and hazardous invisible laser radiation
could result in blindness.

NOTE

An optical drive that has been disassembled will not be accepted as an
exchange assembly.

Electrostatic Discharge (ESD) Precautions

The optical disk jukebox contains very sensitive electrical components.
It is

extremely important

that you follow the proper procedures for

preventing ESD (Electrostatic Discharge). Use wrist-grounding straps,
anti-static mats, and anti-static work stations when removing and
replacing the major assemblies.

NOTE

Failure to follow proper procedures could lead to intermittent failures
and/or premature hard failures in the disk controller and mechanism.

Required Tools

The following tools are needed for assembly/disassembly of the jukebox:

• Pozidriv® magnetized screwdriver

• flatblade screwdriver

• Needle-nose pliers

• Flatblade screwdriver

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Содержание Surestore 160ex - Optical Jukebox

Страница 1: ...HP SureStore Optical Jukebox 160ex 320ex 400ex 300mx 600mx 700mx Service Manual Edition 1 Manufacturing Part Number HP Part No C1160 90031 Greeley CO USA Copyright August 2000 ...

Страница 2: ...d to the implied warranties of merchantability and fitness for a particular purpose Hewlett Packard shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing performance or use of this material Copyright August 2000 Printing History New editions of this manual incorporate all material updated since the previous edition The manual p...

Страница 3: ...Warnings call attention to a procedure or practice that could result in personal injury if not correctly performed Do not proceed until you fully understand and meet the required conditions CAUTION Cautions call attention to an operating procedure or practice that could damage the product if not correctly performed Do not proceed until you understand and meet the required conditions NOTE Notes pro...

Страница 4: ...Chapter 1 Product Information Chapter 2 Installation Chapter 3 Operation and Configuration Chapter 4 Troubleshooting and Diagnostics Chapter 5 Removal and Replacement Chapter 6 Theory of Operation Appendix A Safety and Regulatory Information Index ...

Страница 5: ...ng SCSI Cables to the Jukebox 2 6 Connecting the Jukebox as the Only Peripheral 2 8 Connecting the Jukebox With Other SCSI Peripherals 2 10 Connecting Power 2 11 Configuring Write Verify 2 12 Default SCSI IDs in the Jukebox When Using Basic SCSI Addressing and When Using LUN Mode 2 13 Moving or Shipping the Jukebox 2 19 Moving the Jukebox a Short Distance 2 19 Shipping the Jukebox 2 20 3 Operation...

Страница 6: ... 3 15 Viewing the Current SCSI IDs 3 15 Changing the Current SCSI IDs 3 17 Setting an Operating Configuration 3 20 Retrieving Log History 3 24 4 Troubleshooting and Diagnostics Overview 4 2 Troubleshooting Using the Control Panel 4 3 Obtaining Troubleshooting Information 4 3 List of Possible Suspect FRUs 4 3 Recovery Procedures for Operation Installation Errors 4 5 Recovery Procedures for Specific...

Страница 7: ...lot Assembly 5 11 Reassembly Notes 5 12 Replacing the Control Panel Assembly 5 13 Reassembly Notes 5 13 Replacing an Optical Drive Jukebox Offline 5 15 Replacing an Optical Drive Jukebox Online 5 19 Reassembly Notes 5 24 Replacing the Interposer PCA 5 26 Replacing the Picker 5 27 Removing Replacing the Translate Frame Including the Picker 5 33 Reassembly Notes 5 39 Removing Replacing the Vertical ...

Страница 8: ...mware Revision Level 5 59 Download Firmware as Necessary 5 59 Replaceable Parts 5 62 6 Theory of Operation Overview 6 2 Jukebox Robotics 6 3 Movements 6 3 The Robotics Controller PCA 6 5 Interposer PCA 6 7 Configuration Module 6 10 Power Supplies 6 11 SCSI Interface PCA 6 12 Configuring This Jukebox on a SCSI Bus 6 15 Adding Devices to the Bus 6 16 Picker 6 20 Single picker Mode 6 20 Dual picker M...

Страница 9: ...23 A Safety and Regulatory Information Overview of this Appendix A 2 CDRH Regulations USA Only A 3 United Kingdom Telecommunications Act 1984 A 4 Declaration of Conformity A 5 Herstellerbescheinigung A 6 English Translation of German Sound Emission Directive A 6 Turvallisuusyhteenveto A 7 Laserturvallisuus A 7 Huolto A 7 English Translation of Finland Regulatory Information A 9 Japanese VCCI State...

Страница 10: ...TOC x Contents ...

Страница 11: ... Mounting Screws on the Power Supplies 5 10 Figure 5 4 Mailslot Assembly Mounting Screws 5 11 Figure 5 5 Control Panel Assembly Mounting Screws 5 13 Figure 5 6 Removing Drive Cables and Enclosure Mounting Screw 5 15 Figure 5 7 Unmounting a Drive From An Enclosure 5 16 Figure 5 8 Removing Cables From a Drive 5 17 Figure 5 9 Disk Eject Hole 5 18 Figure 5 10 Online Drive Replacement LEDs Communicatio...

Страница 12: ...e Frame 5 49 Figure 5 34 Placement of the Ropes in the Rope Coupler 5 49 Figure 5 35 Removing the Controller PCA Cover 5 50 Figure 5 36 Controller PCA Cables and Screws 5 51 Figure 5 37 Removing the SCSI Interface Module 5 52 Figure 5 38 Removing the SCSI Interface PCA 5 53 Figure 5 39 Cables on the Interface PCA 5 54 Figure 5 40 RFI Clamp on the GPIO and SCSI Cables 5 56 Figure 5 41 Cable Clamps ...

Страница 13: ...N Mapping if DRVs SCSI ID is Changed to an ID Different Than the Jukebox IDs used here are an example 2 14 Table 2 4 Possible Additional SCSI Addresses Available 2 18 Table 3 1 Configuration Choices 3 21 Table 3 2 Information Logs 3 24 Table 4 1 Troubleshooting 4 5 Table 4 2 Hardware Errors Verification Recovery 4 14 Table 4 3 Micro Move Error Codes 4 26 Table 4 4 Micro Move IDs and Expanded Descr...

Страница 14: ...Tables TOC xiv ...

Страница 15: ...Chapter 1 1 1 Product Information 1 Product Information ...

Страница 16: ... Overview Chapter 1 1 2 Overview This chapter gives information on the following topics technical specifications environmental specifications replacing the control panel assembly other documents that apply to this product ...

Страница 17: ...Average seek typical ms 25 0 Average access time typical ms 35 Write transfer rate max sustained Mb s 2 1 5 2 Gb media 1 7 2 6 Gb media 1 2 1 2 Gb media Burst transfer rate fast synchronous Mb s 10 Burst transfer rate synchronous Mb s 5 Burst transfer rate asynchronous Mb s 3 Raw read write error rate Less than 2 0x10 4 errors total bytes read Buffer size Mbytes 1 Read buffering Readaheads Write b...

Страница 18: ...ned Mb s 3 1 9 1 Gb media 2 5 5 2 Gb media 2 0 2 6 Gb media Burst transfer rate fast synchronous Mb s 20 Burst transfer rate synchronous Mb s 5 Burst transfer rate asynchronous Mb s 6 7 Raw read write error rate Less than 2 0x10 4 errors total bytes read Buffer size Mbytes 1 Read buffering Readaheads Write buffering Immediate reporting write re ordering Interface Single ended Table 1 1 Technical S...

Страница 19: ... 1 5 Product Information Physical Characteristics Height cm inches 180 8 71 2 Width cm inches 87 6 34 5 Depth cm inches 73 4 28 9 Net weight kg lbs 226 3 498 8 Packaged weight kg lbs 301 6 665 Table 1 1 Technical Specifications Characteristics Description ...

Страница 20: ...otics Drive Media Temperature o C Operating 10 to 40 5 to 45 10 to 60 Non operating w o disk 40 to 70 40 to 60 10 to 60 Max Temperature gradient o C hr 10 10 10 Transportation 14 consecutive days 40 to 60 Humidity non condensing Relative operating 10 to 90 5 to 90 10 to 80 Non operating w o disk 5 to 95 5 to 95 10 to 90 Maximum wet bulb o C 29 29 29 ...

Страница 21: ...idal g cm s 30 523 30 742 Vibration 5 500 Hz range g rms Operating maximum acceleration g rms 0 21 0 3 0 21 Non operating random g rms 2 3 Non operating swept sine g 0 peak 0 5 0 1 Altitude meters feet Operating 4 572 15 000 Non operating 15 240 50 000 Acoustic emissions dB L noise power emission level Operating dB L noise 61 5 Idle 47 Table 1 2 Environmental Specifications Characteristics Robotic...

Страница 22: ...equirements CFM 15 bidirection al through drive Table 1 3 Power Requirements Line voltage Vac 100 127 200 240 Line frequency Hz 50 60 Power consumption typical Watts BTU 300 1023 Power consumption Watts BTU 340 1 160 Current amperes 6 120 V 5 240 V Table 1 4 Reliability Mean swaps between failure MSBF robotics 2 000 000 Mean swaps between failure MSBF drive 750 000 Table 1 2 Environmental Specific...

Страница 23: ...e MTBF drive power on hours 100 000 Mean time to repair hours 2 Preventive maintenance none required for high usage or zero downtime installations see the Product Support Plan for special preventative maintenance schedules Table 1 5 Product Certifications Safety EN 60950 IEC 950 UL 1950 listed or recognized Electromagnetic emissions FCC Class A CISPR 22 Class A Class A EN 55022 CISPR 22 Level A VC...

Страница 24: ...t wheels Figure B orientation represents free standing or against a wall Rear 1 requires 61 cm 24 in for service access Sides 2 and 3 require 30 5 cm 12 in for service operator access and cooling Front 4 requires 61 cm 24 in for service and operator access plus additional space if the cabinet must be moved to access the rear panel 1 Location Requirements Position the jukebox away from sources of p...

Страница 25: ...apter 1 1 11 Product Information Responsibilities Customer site preparation verification and installation are the customer s or reseller s responsibility HP will perform the site preparation verification and or installation on a time and materials basis ...

Страница 26: ...Product Information Environmental Specifications Chapter 1 1 12 ...

Страница 27: ...Chapter 2 2 1 Installation 2 Installation ...

Страница 28: ...g topics identifying controls and features connecting SCSI cables to the jukebox connecting the jukebox as the only peripheral connecting the jukebox with other peripherals connecting power configuring write verify default SCSI IDs in normal and LUN addressing moving and shipping the jukebox ...

Страница 29: ...1 Control panel Used to manually control and monitor operation of the jukebox A full description of the controls and indicators is in Chapter 3 2 Mailslot Used to load and eject optical disks 3 Power switch Used to power the jukebox on and off 4 Right access panel A panel that covers access to the optical drives and interposer PCA ...

Страница 30: ...Installation Identifying Controls and Features Chapter 2 2 4 Figure 2 2 Left Side ...

Страница 31: ...nterface 7 SCSI ports Used for attaching the SCSI cable from the jukebox to the host computer Select either the single ended or the differential pair of connectors see item 5 in this list Both ports of a selected interface must be used One port must have a SCSI cable connected and the other must have either a SCSI terminator or other SCSI device connected to it 8 Power receptacle Connection for th...

Страница 32: ...rew studs are not removed interference Interface types available Single ended or differential SCSI selected by the interface selection switch on the top of the interface module see 6 on Figure 2 2 Number of hosts This jukebox may be used in high availability environments High availability environments can be complex and are not described in this guide The customer should consult with their high av...

Страница 33: ...Installation Connecting SCSI Cables to the Jukebox Chapter 2 2 7 Installation between the cable and the studs may result SCSI cables are listed in the replaceable parts list at the end of Chapter 5 ...

Страница 34: ...ed configuration for this jukebox Figure 2 3 Connecting the Jukebox as the Only Peripheral Refer to Figure 2 1and Figure 2 2 for the locations of the following switches and connectors 1 Ensure the power to the host computer is turned off 2 Remove the left side access panel side opposite the mailslot side by lifting up on the bottom of the panel and then pulling it away ...

Страница 35: ... cable between the host computer and one of the jukebox SCSI connectors of the selected interface type The SCSI cable may be connected to either of the two ports of an interface type NOTE Plug a terminator into the unused port of the interface type used Also put a terminator on one of the port connectors of the unused interface type The single ended terminator has 50 pins the differential terminat...

Страница 36: ...us with additional peripherals in many different ways depending on the model a 2 or 4 drive jukebox using basic SCSI addressing or a 2 or 4 drive jukebox using logical unit numbering LUN addressing Some issues that the customer should considered when evaluating whether other devices may be connected on the same bus as this jukebox include the following How will the jukebox be used archiving backup...

Страница 37: ...he jukebox 3 Plug the other end of the power cord into a power outlet 4 After the jukebox is moved to its operating location lower the leveler feet and tighten the 1 2 inch nut on each foot 5 Turn the power on TESTING and NOT READY alternately display Once the poweron test completes approximately 1 5 minutes READY displays NOTE If DEVICE FAILED displays See Troubleshooting in Chapter 4 for trouble...

Страница 38: ...tor to which data will be written The second pass writes new data to that sector When write verify is on an additional pass is made over the sector to verify that all data is written correctly to the sector The recommended setting is on write verify enabled Note that when write verify is enabled write operations take more time To set write verify to off refer to Configuring Operating Configuration...

Страница 39: ...Chapter 2 2 13 Installation Default SCSI IDs in the Jukebox When Using Basic SCSI Addressing and When Using LUN Mode 320ex 600mx models only Table 2 2 Default SCSI and LUN Settings LUN Mode OFF LUN Mode ON ID LUN ID LUN JKBX ID 6 0 6 0 DRV 1 ID 5 0 6 1 DRV 2 ID 4 0 6 2 DRV 3 ID 3 0 6 3 DRV 4 ID 2 0 6 4 ...

Страница 40: ...ddressing and When Using LUN Mode Chapter 2 2 14 320ex 600mx models only Table 2 3 LUN Mapping if DRVs SCSI ID is Changed to an ID Different Than the Jukebox IDs used here are an example LUN Mode ON ID LUN JKBX ID 5 0 DRV 1 ID 6 0 DRV 2 ID 6 1 DRV 3 ID 6 2 DRV 4 ID 6 3 ...

Страница 41: ...ng LUN Mode Chapter 2 2 15 Installation Figure 2 4 Two or Four Drives Basic SCSI Addressing Displays on the Control Panel Under CHOOSE LUN MODE menu LUN MODE OFF Under SCSI IDs menu JXBX ID 6 LUN 0 DRV 1 ID 5 LUN 0 DRV 2 ID 4 LUN 0 DRV 3 ID 3 LUN 0 if installed DRV 4 ID 2 LUN 0 if installed ...

Страница 42: ...UN Mode Chapter 2 2 16 Figure 2 5 Two or Four Drives LUN Addressing Controller Drives Use Same ID Displays on the Control Panel Under CHOOSE LUN MODE menu LUN MODE ON Under SCSI IDs menu JXBX ID 6 LUN 0 DRV 1 ID 6 LUN 1 DRV 2 ID 6 LUN 2 DRV 3 ID 6 LUN 3 if installed DRV 4 ID 6 LUN 4 if installed ...

Страница 43: ...apter 2 2 17 Installation Figure 2 6 Two or Four Drives LUN Addressing Controller Drives Use Different IDs Displays on the Control Panel Under CHOOSE LUN MODE menu LUN MODE ON Under SCSI IDs menu JXBX ID 6 LUN 0 DRV 1 ID 5 LUN 0 DRV 2 ID 5 LUN 1 DRV 3 ID 5 LUN 2 if installed DRV 4 ID 5 LUN 3 if installed ...

Страница 44: ...le 2 4 Possible Additional SCSI Addresses Available No of Drives LUN mode OFF Basic SCSI Addressing LUN Mode ON drives jukebox controller use the same ID LUN Mode ON drives jukebox controller use different IDs 2 4 IDs are available for connecting other devices 6 IDs are available for connecting other devices 5 IDs are available for connecting other devices 4 2 IDs are available for connecting othe...

Страница 45: ...t done correctly Do not turn off power to the jukebox until you are sure the SCSI bus is inactive Removing power from a SCSI peripheral when the bus is active can result in data loss and or indeterminate bus states Check the host system manuals for information about checking the SCSI bus status If the computer is connected to a LAN be sure to check with the system administrator before turning off ...

Страница 46: ... labeling the disks according to what the customer will be doing with the disks example archiving moving them to another jukebox etc CAUTION Turning off the jukebox in the next step could cause data loss if not done correctly Do not turn off power to the jukebox until you are sure the SCSI bus is inactive Removing power from a SCSI peripheral when the bus is active can result in data loss and or i...

Страница 47: ...Chapter 3 3 1 Operation and Configuration 3 Operation and Configuration ...

Страница 48: ...l panel using the selection buttons interpreting messages in the display window loading optical disks into the jukebox ejecting optical disks from the jukebox entering the administration menu password aadministration menu password setting SCSI IDs or logical unit numbers LUNs setting configurations retrieving log history running tests ...

Страница 49: ...les manual control of all jukebox operations using four buttons and an LED display The SCSI IDs of the jukebox and its optical drives can be set and changed disks may be loaded and ejected configurations can be monitored and changed performance information can be viewed internal tests can be run and the jukebox can be secured from unauthorized use ...

Страница 50: ...Operation and Configuration Operating the Control Panel Chapter 3 3 4 Figure 3 1 The Jukebox Control Panel ...

Страница 51: ...vertical window the right side has the mailslot 2 Activity light Lit differently to indicate the following Steady Green power is on Flashing Green an optical drive is being accessed Amber a fault occurred 3 16 character display Displays information about the current operation 4 Selection buttons Pressed to perform the following operations CANCEL cancels the current operation or choice PREV scrolls...

Страница 52: ...Operation and Configuration Operating the Control Panel Chapter 3 3 6 Figure 3 2 Jukebox Display Menu Tree ...

Страница 53: ...the next section for a list of messages Each time you push the NEXT or PREV button a task choice appears An in the message indicates there is a menu beneath that choice which you can access by pressing the ENTER key Additional choices can be displayed by pressing the NEXT or PREV key The display scrolls faster by holding the NEXT or PREV key NOTE You can get back to READY at any time by pressing C...

Страница 54: ...ect it or PREV or NEXT to display other choices Second Level Menus A security code must be entered toaccess these functions See Entering the Administration Menu Password later in this chapter A default password of 000 000 000 is set at the factory The customer will probably change this default code to a private code to prevent unauthorized access to the jukebox See Changing the Administration Menu...

Страница 55: ...TER to choose that selection or press PREV or NEXT to display other choices that available in that part of the menu You can display the selections listed in boxes below the shaded choices in Figure 3 2 by pressing ENTER when one of the shaded choices displays Press PREV or NEXT to scroll through the list To perform the displayed operation press ENTER ...

Страница 56: ...AD SLOT displays is flashing and is the number of the first available storage slot in the jukebox 2 If you want to select the storage slot number that shows in the display press LOAD or ENTER If you want to choose a different storage slot press NEXT or PREV until the desired slot number displays and then press ENTER 3 LOADING displays as the jukebox moves the disk to the slot After the disk is loa...

Страница 57: ...he display press EJECT or ENTER If you want to choose a different storage slot press NEXT or PREV until the desired slot number displays and then press ENTER EJECTING displays as the jukebox moves the disk to the mailslot When the disk is in the mailslot the display returns to EJECT SLOT 4 Remove the disk from the mailslot You may now eject additional disks by pressing ENTER and then following ste...

Страница 58: ...1 Press NEXT until ADMIN displays 2 Press ENTER PSWD 000 000 000 displays and the first set of three zeros flashes NOTE If the default password 000 000 000 is still in effect accept this password by pressing ENTER three times once for each set of three zeros TEST displays which indicates you are in the menu tree below ADMIN Entering a private password is described in steps 3 to 5 below You may hav...

Страница 59: ...assword displays and then press ENTER The second set of three zeros flashes 5 Press NEXT or PREV until the new number you want to assign to the second part of the password displays and then press ENTER The third set of three zeros flashes 6 Press NEXT or PREV until the new number you want to assign to the third part of the password displays and then press ENTER 7 PASSWORD CHANGED displays Press CA...

Страница 60: ...Operation and Configuration Changing the Administration Menu Password Chapter 3 3 14 flash ROM ...

Страница 61: ...You may have to coordinate with the system administrator to enter the password 3 Press NEXT until SCSI ID S displays and then press ENTER 4 VIEW ID S displays Press NEXT until CHOOSE LUN MODE displays and then press ENTER LUN MODE ON or LUN MODE OFF displays and ON or OFF is blinking 5 Press NEXT to change the setting and then press ENTER WAIT FOR UPDATE and then TURNED OFF or TURNED ON display br...

Страница 62: ...s ENTER 5 JKBX ID LUN or DRV ID LUN displays JKBX ID stands for the current ID of the jukebox controller DRV ID is the current ID setting of the displayed drive number and LUN is the current logical unit number Press NEXT or PREV to scroll through the current SCSI IDs and LUNs NOTE Tables showing default SCSI IDs for basic SCSI addressing and LUN addressing are in Chapter 2 Installation 6 Press CA...

Страница 63: ...T until SET ID S displays and then press ENTER If the jukebox configuration uses basic SCSI addressing LUN mode OFF JKBX ID LUN or DRV ID LUN displays JKBX ID stands for the current ID of the jukebox controller LUN is the current logical unit number and DRV ID is the current ID setting for the displayed drive number When using basic SCSI addressing the LUN is always 0 If the jukebox configuration ...

Страница 64: ...nt IDs one digit apart Placing a device ID between the jukebox controller ID and the ID for the drives can cause bus management problems For this reason the jukebox will not accept IDs for the jukebox controller and drives that are more than one digit apart An attempt to set IDs more than one digit apart will cause a CONFLICT message 6 Press NEXT or PREV until the desired ID displays and then pres...

Страница 65: ...e jukebox displays CONFLICT and rejects the ID 9 Press CANCEL until READY displays CAUTION Turning off the jukebox in the next step could cause data loss if not done correctly Do not turn off power to the jukebox until you are sure the SCSI bus is inactive Check the host system manuals for information about checking the SCSI bus status 10 Turn the jukebox OFF then ON to save the IDs to the jukebox...

Страница 66: ...tion has multiple settings the current setting flashes Otherwise the configuration is set and a confirmation message displays 5 If the current configuration setting is flashing press NEXT or PREV until the desired setting displays and then press ENTER OPTION SAVED displays and then the configuration s name and setting displays 6 Press CANCEL to return to READY CAUTION Turning off the jukebox in th...

Страница 67: ...ER ON OFF Toggles between ON and OFF If set to ON the jukebox runs with dual picker addressing ON If set to OFF the jukebox runs with dual picker addressing OFF The default setting is DUAL PICKER ON and this mode should remain ON under normal conditions Single and dual picker addressing is described in Chapter 6 on page 6 18 STARWARS ON OFF Toggles between ON and OFF If set to ON the vertical sens...

Страница 68: ...its normal configuration If set to IN the mailslot rotates inwards making the mailslot inaccessible The default configuration is OUT POWER SECURE ON OFF Toggles between ON and OFF If set to ON the selection of the SECURE MS configuration is retained through power cycling or power outage If set to OFF the jukebox returns to the default setting of this configuration after a power cycling The default...

Страница 69: ... OFF Toggles between ON and OFF If set to ON write verify is forced When set to OFF the drives may write verify or not depending on how they are manually configured or how they are configured by the jukebox application software The default configuration is ON Table 3 1 Configuration Choices Configuration Name Description ...

Страница 70: ...NTER 4 Press NEXT until the name of the log you wish to access displays and then press ENTER A indicates that there are more selections beneath the displayed choice 5 After you are finished viewing log information press CANCEL to return to READY Information logs are described in the following table Table 3 2 Information Logs Log Name Description REVISION Jukebox firmware version number JUKEBOX Pre...

Страница 71: ... transport mechanism flips XLATES Total disk transport mechanism horizontal moves ROTATES Total mailslot rotations DRIVE LOADS Press ENTER to select the logs under this selection DRIVE Total disk loads for the drive numbered DRIVE FW Press ENTER to select the logs under this selection D REV x xx Drive firmware revision code D is the drive number and x xx is the code Press NEXT or PREV to select dr...

Страница 72: ...oft error numbers as a result of multiple error recoveries Press ENTER to view the log for the currently displayed error or press NEXT to select the next error Log entries are described in the rows following RECOVERY ERROR in this table RECOVERY ERROR Log of errors during the most recent move Returns either NO ENTRIES or the number of recovery errors Press ENTER to view the log for the currently d...

Страница 73: ...HANGE and POSITION movements only DESTINATION 1 Element where the move was directed first Valid for MOVE and EXCHANGE movements only DESTINATION 2 Element where the move was directed second Valid for the EXCHANGE movement only ODOMETER Move number in which the error occurred MICROMOVE 1 First jukebox micro move for the original move command issued prior to the failure MICROMOVE 2 Second jukebox mi...

Страница 74: ...ICROMOVE 6 Sixth jukebox micro move for the original move command issued prior to the failure This is the last micro move logged MICROMOVE ER Micro move error that occurred TOP or BOTTOM PICKER Displays either TOP or BOTTOM indicating which side of the disk transport mechanism was active at the time of the error NORTH or SOUTH THUMB Displays either NORTH or SOUTH indicating which thumb on the tran...

Страница 75: ...Chapter 4 4 1 Troubleshooting and Diagnostics 4 Troubleshooting and Diagnostics ...

Страница 76: ...hapter gives information in the following topics Troubleshooting using the control panel Recovery procedures for operating installation errors Recovery procedures for specific hardware errors Micro move error codes Description of robotic micro moves Running internal tests ...

Страница 77: ...ns where you have an intermittent recoverable error Obtaining Troubleshooting Information Error information is available through both control panel and though the SCSI bus using an external diagnostic tool In most instances running internal tests and reading error logs in the control panel display will be enough to troubleshoot problems in the jukebox List of Possible Suspect FRUs At poweron and a...

Страница 78: ...oblem Blindly and repeatedly replacing the suspect FRU s will not reliably solve a problem If you consider the suspect FRU as a pointer to the problem area rather than the problem itself an educated visual inspection should reveal the real problem A good visual inspection requires an understanding of how the jukebox normally operates To understand what the robotics do in normal operation run the v...

Страница 79: ...g the status of the SCSI bus Table 4 1 Troubleshooting Problem What to do Jukebox won t power on Ensure that power cord connections are tight Ensure that the power switch is on located on the lower right side of the jukebox rear panel Ensure that the power outlet is operating Replace the power cord with a known good one Check for an inoperable power supply Jukebox power fails or is interrupted Tak...

Страница 80: ...uter power fails on previous page Host does not recognize the jukebox Ensure that the jukebox is supported on the host operating system Ensure that the jukebox is installed and configured as described in the user s guide and the appropriate host system manuals Check the SCSI connections Check the SCSI interface address as it relates to the device files Power cycle the jukebox let it come READY and...

Страница 81: ...llowing table shows the hardware error codes possible and recovery procedures for specific hardware errors for corrective action Ensure that the SCSI bus is inactive before removing power to the jukebox Removing power to a device on an active SCSI bus can cause data loss and or problems with the SCSI interface Power to the jukebox failed while a disk was in the drive and the display did not return...

Страница 82: ...ables in that order Changed the drive ID but the new ID isn t recognized Ensure that the new drive ID was saved procedure was completed Ensure that the ID is not a duplicate of another ID on the bus Power cycle the jukebox Some computers require a restart to recognize new SCSI IDs Customer forgot the password Restore the factory default settings Hold down the ENTER and NEXT key while power cycling...

Страница 83: ...s not rotate in the mailslot cabling or sensors may be the cause Remove the mailslot assembly and check the mailslot cabling refer to Chapter 5 Replacing the Mailslot Assembly If the cables are good replace the mailslot assembly Disk inserted in the mailslot but RESERVED displays The SECURE MS configuration is set Disks cannot be loaded If appropriate change this setting See Setting an Operating C...

Страница 84: ...t the SCSI bus is inactive before removing power to the jukebox Removing power to a device on an active SCSI bus can cause data loss and or problems with the SCSI interface Disk inserted in the mailslot but TRANSPORT FULL displays The disk transport mechanism already contains a disk Select EJECT If the disk is not ejected from the transport mechanism and you receive the same error run the EMPTY PI...

Страница 85: ...for its use or a security configuration was set to prevent disk ejection If appropriate change this setting See Setting an Operating Configuration in Chapter 3 The current administration password is required Disk eject attempted but EMPTY and then EJECT displays This is not an error There are no disks in the jukebox Ensure that the SCSI bus is inactive before removing power to the jukebox Removing...

Страница 86: ...The following table shows the hardware error codes possible and recovery procedures for specific hardware errors for corrective actions Disk eject attempted but MAILSLOT FULL displays A disk is in the mailslot Select EJECT select the slot you want the disk ejected from again and eject the disk You want to stop a test that is running Press CANCEL The current test loop continues until finished then ...

Страница 87: ...occurs run the WELLNESS TEST Do general troubleshooting Can t write to the disk Check the host file system access permissions Eject the disk and check that the write protect tab on each side of the disk is in the write enabled position Checkthe application software Run online offline diagnostics on drive Ensure that the SCSI bus is inactive before removing power to the jukebox Removing power to a ...

Страница 88: ... failures are due to marginal or random problems the failing component may induce errors in other components For example if the electronics produce an intermittent error or if friction increases on a part different components of the jukebox may appear to fail Several error codes may be displayed as a result of one problem The following table shows the hardware error codes possible and recovery pro...

Страница 89: ... picker and or sense that it has moved 1 Run FIND XLAT HOME test from the control panel 2 If the picker does not move at all check the connections on the umbilical cable If the connections are good and the picker still does not move change the umbilical cable 3 If the picker moves a little but does not reach the side of the frame the translate motor on the picker is probably defective Change the p...

Страница 90: ...ads are connected to the vertical motor b Check that the cable from the sensor is connected through the translate frame to the umbilical cable for the picker c Change the vertical motor d Change the 24 volt power supply 3 Change the controller PCA 20 Plunge motor error 1 2 Change the jukebox controller PCA 3 Change the picker 4 Check the plunge motor leads 28 Mailslot sensor error 1 Run the Mailsl...

Страница 91: ...nge the controller PCA 32 Invalid test number User error 33 Invalid configuration User error There might not be enough cartridges in the jukebox 34 Need to initialize element status Run Init Elem Status 35 Exercise test failed Run Exercise test again watch where it fails Continue troubleshooting from the movement operation that failed 36 Elements reserved User error The host probably has the jukeb...

Страница 92: ...the vertical motor 4 Check that the cable from the sensor is connected through the translate from to the umbilical cable for the picker 3D Flip Change the picker 3E Translate Change the picker 3F Put cartridge in Failed plunging cartridge into a slot 1 Look at the micro move error of the failure in the error log under INFO and Hardware Error in the control panel display 2 Check that the picker ass...

Страница 93: ...icker is in the proper height with respect to the storage slot and that the vertical encoder strip is not damaged 41 Test magazine Failed testing the magazine portion during an ISTAT 1 Look at the micro move error of the failure in the error log under INFO and Hardware Error in the control panel display 2 Check that the picker assembly looks normal and is in the proper orientation 3 Check that the...

Страница 94: ...1 Look at the micro move error of the failure in the error log under INFO and Hardware Error in the control panel display 2 Remove rear panel and run the Wellness Test Drive I O test and Excercise Mechanics test Note where the problem occurs If indicates the drive change the drive If it indicates a picker error change the picker 44 Test drive 1 Look at the micro move error of the failure in the er...

Страница 95: ...t 47 Test mailslot 1 Cycle power to the jukebox to initiate a poweron test sequence 2 Check to see if mailslot rotation works If the mailslot rotates in change the picker If the mailslot does not rotate in change the mailslot 48 Rotate mailslot in 1 Cycle power to the jukebox to initiate a poweron test sequence 2 Check to see if mailslot rotation works If the mailslot rotates in change the picker ...

Страница 96: ... or sense that it has moved 1 Run FIND XLAT HOME test from the control panel 2 If the picker does not move at all check the connections on the umbilical cable If the connections are good and the picker still does not move change the umbilical cable 3 If the picker moves a little but does not reach the side of the frame the translate motor on the picker is probably defective Change the picker 4 If ...

Страница 97: ...and the picker might be falsely overforcing 1 Check that the path is clear 2 Exercise and visually check the operation of the vertical motor 51 Clear magazine path 1 Check that the path from the picker to the magazine is clear 2 Check that the vertical path is clear 3 Test the vertical path sensor operation 52 Clear drive path 1 Check that the path from the picker to the drive is clear 2 Check tha...

Страница 98: ...the error log to verify what move was in process 2 Make sure the encoder strip is inside sensor 3 Make sure the motor leads are connected to the vertical motor 4 Check that the cable from the sensor is connected through the translate from to the umbilical cable for the picker 5E Powerfail clear path 1 Check that all paths are clear 2 Test the vertical path sensor operation 5F Powerfail restore car...

Страница 99: ...e repeater PCA 4 Change the controller PCA 5 Change internal SCSI cable 61 External SCSI cables 1 Check for correct terminator single ended or differential for the type of SCSI interface chosen 2 Check that single ended differential slide switch is selecting desired interface 3 Change external SCSI cable 4 Change SCSI repeater PCA 5 Change the controller PCA Table 4 2 Hardware Errors Verification ...

Страница 100: ...l open path 06 Vertical closed path 0A Plunge over voltage exceeded limit set by firmware 0B Plunge over force exceeded limit set by firmware 0C Plunge servo error 0D Plunge servo error 0E Plunge open path 0F Plunge closed path 10 Top picker expected to be active picker in plunge run time 11 Bottom picker expected to be active picker in plunge run time 12 Bottom thumb expected to be active in plun...

Страница 101: ...ve put in accept failed 23 Drive get out accept failed 24 Drive eject failed 25 Drive insert failed 26 Drive eject retry 27 Drive insert retry 28 Clear drive path 29 Drive signal not used 2A Drive not connected 32 Magazine put in saturate failed 33 Magazine get out saturate failed 34 Magazine put in accept failed 35 Magazine get out accept failed 36 Magazine measure failed 37 Test magazine failed ...

Страница 102: ...ut failed 46 Flipped too far 47 Did not flip far enough 48 Flip side incorrect 50 Failed to finish a translate 51 Extra force needed to translate 5A Command received to rotate mailslot but both pickers are full 5B Back sensor in mailslot is bad 5C Front sensor in mailslot is bad 5D Command received to eject from the mailslot but both pickers are full 5E Attempt to load from an empty mailslot 5F En...

Страница 103: ...te in was too much distance 66 Engaging the mailslot failed on a rotate out 67 Disengaging the mailslot failed on a rotate out 68 Did not detect hard stop on a rotate out 69 Rotate out distance was too short 6A Could not move thumbs out of the vertical path after a rotate out 6B Vertical distance difference detected after error recovery 6C Cartridge in mailslot incorrectly at rotate in Table 4 3 M...

Страница 104: ...e tension in the servos Used after finding home in the vertical find home sequence 6 Make a small vertical movement as a plunge is made into a drive Used to wiggle the picker during error recovery 8 Move picker transport up to the top of the jukebox checking for a clear path Used in the vertical find home sequence 9 Move picker transport to the bottom of the jukebox checking for a clear path Used ...

Страница 105: ...t during powerup 17 Move down Used in the motor test during powerup 62 Move slowly to one side of the translate frame Used to find translate home during powerup Movements after powerup use the translate home ID 63 63 Move to one side of the translate frame Used to find translate home 67 Move a short distance back from the plunge position where an overforce shutdown error occurred Relaxes the tensi...

Страница 106: ... move 70 70 Second part of a two step move to put a cartridge into a magazine Continues movement of micro move 6F and puts the cartridge in the rest of the way the distance learned in micro move 6C 71 First time plunge into a magazine first put Feels for resistance to learn the distance to the cartridge when it is seated 72 Retract picker plunge assembly after putting cartridge into a magazine Ass...

Страница 107: ...se to the drive This the wait position until the drive ejects the cartridge 7D Used in an emergency cartridge eject Plunge to contact and get the cartridge from the drive Follows micro move 7C 7E Log ID no motion Logs that picker is in position in front of drive waiting for the drive to eject the cartridge 7F Plunge forward to get cartridge from the drive Thumbs wrap over the ears on the cartridge...

Страница 108: ...ttempt to push a cartridge out of the vertical picker path and into a magazine 8C Retract thumbs back into the picker Used in error recovery Is an attempt to pull a cartridge out of the vertical picker path and into the picker Either this micro move or micro move 8D is used depending on position of the picker at the start of recovery 8D Retract thumbs back into the picker Used in error recovery Is...

Страница 109: ...e movements toward the drive during error recovery Vertical movement is done before the second part of this movement micro move A3 is done A3 Second of two plunge movements toward the drive during error recovery Done after a small vertical movement is done to wiggle the picker A4 Plunge out Is an attempt to clear the vertical picker path during drive error recovery A5 Retract picker Is an attempt ...

Страница 110: ...es used to make the top picker the active picker during a picker recalibration AB Move picker plunge assembly forward a small amount to complete the rearm of the picker mechanism One of three moves used to make the top picker the active picker during a picker recalibration AC Move picker plunge assembly forward to normal position after a active picker has been change by micro moves AA and AB One o...

Страница 111: ... be released and unsplay Used during an ISTAT with no cartridge in the picker when the thumbs are splayed and must be kept splayed B3 Retract picker plunge assembly back far enough to release the thumbs and let them go to an unsplayed position Used during an ISTAT and the thumbs are being returned to an unsplayed position after contacting grabbing and replacing the first cartridge B4 Retract picke...

Страница 112: ... in the picker Slow move to check for an overforce cartridge in the magazine slot Follows micro move BA BA First of two moves to test for the presence of a cartridge in a magazine during an ISTAT when there is a cartridge in the picker Fast plunge that places the cartridge and the picker close to the magazine Followed by micro move B9 BB Testing for media in picker After the physical force check B...

Страница 113: ...ve just past the shutters Distance has been learned Part one of a two stage move Used in the sequence to return a cartridge into a drive after an emergency eject during an ISTAT C4 Insert cartridge fully into a drive Distance HAS been learned Part two of a two stage move Used in the sequence to return a cartridge into a drive after an emergency eject during an ISTAT C5 Insert cartridge fully into ...

Страница 114: ... mailslot CC Plunge out to clear the mailslot path Distance has not been learned Used in error recovery CD Short plunge out to fully seat a cartridge in the mailslot and to measure the distance of a fully inserted cartridge CE Plunge out to clear the mailslot path Used in error recovery CF Retract picker plunge assembly in an attempt to clear the mailslot path Used in error recovery DO Short plung...

Страница 115: ...vertical picker path during error recovery D8 Plunge to a position where the mailslot rotation actuator can be pulled in D9 Plunge to a position where the mailslot rotation actuator can be pushed out DA Move picker plunge assembly to a position where the mailslot rotation actuator can be engaged to rotate the mailslot out Used when the state of the mailslot is unknown and must be placed in a known...

Страница 116: ...lieve the pressure after rotating the mailslot in E5 Short plunge out feeling for pressure to ensure that the mailslot is rotated all the way out E6 Retract picker plunge assembly a short distance to relieve the pressure after micro move E5 E7 On powerup testing for motion in one direction on the plunge motor E8 On powerup testing for motion in the plunge motor Opposite direction than in micro mov...

Страница 117: ...CANCEL at any time to abort a test A delay may occur while the current test loop completes Table 4 5 Internal Tests Test Name Description EXCHANGE DEMO Do not run this test if the jukebox contains disks with customer data This test moves randomly chosen optical disks to random storage slot locations This test displays FAIL if there are no disks in the jukebox or if all storage slots are full For b...

Страница 118: ...moves with a PASS FAIL result It moves an optical disk from a randomly chosen full slot to a randomly chosen drive with a random flip It then moves the cartridge back to its original slot with its original orientation This test displays FAIL if there are no disks in the jukebox or if all storage slots are full The drives and mailslot must be empty MAILSLOT IO Makes a combination of moves with a PA...

Страница 119: ...ecalibrates the vertical position of the disk transport mechanism and verifies that the vertical path is clear No disks are required FIND XLATE HOME Calibrates the reference points for the side to side motion of the disk transport mechanism No disks are required VERTICAL ENCODER Moves the disk transport mechanism down to the lower stop moves it back up a short distance and then moves it back down ...

Страница 120: ...chanism EXERCISE MECH Runs the VERTICAL TEST TRANSLATE TEST FLIP TEST MAGAZINE IO DRIVE IO and MAILSLOT IO tests Each test runs one time per test loop WELLNESS TEST Checks the general capability of the jukebox Requires one loaded disk The drives transport and mailslot must be empty Runs INIT MECHANICS and EXERCISE MECHANICS Each test runs one time per test loop CLEAR SOFT LOG Sets the soft error l...

Страница 121: ...p and bottom thumb sensors and reports whether the thumbs on the disk transport mechanism are in the forward or back position If THUMB A or THUMB B is returned the specified thumb is the forward position If NO THUMB is returned both thumbs are in the back position TOP THUMB Reports ON or OFF Looks at the top thumb sensor which reports whether or not the thumb that is currently on the top side of t...

Страница 122: ...Troubleshooting and Diagnostics Running an Internal Test Chapter 4 4 48 ...

Страница 123: ...Chapter 5 5 1 Removal and Replacement 5 Removal and Replacement ...

Страница 124: ...ng an optical drive while the jukebox is online replacing the interposer PCA replacing the picker removing and or replacing the translate frame including the picker removing and or replacing the vertical encoder strip replacing the vertical motion motor replacing the vertical motion motor gear box replacing the robotics controller PCA replacing the SCSI cable and interface PCA downloading firmware...

Страница 125: ...ange assembly Electrostatic Discharge ESD Precautions The optical disk jukebox contains very sensitive electrical components It is extremely important that you follow the proper procedures for preventing ESD Electrostatic Discharge Use wrist grounding straps anti static mats and anti static work stations when removing and replacing the major assemblies NOTE Failure to follow proper procedures coul...

Страница 126: ...Removal and Replacement Protecting Yourself and the Product Chapter 5 5 4 Torx driver with the following bits T 10 T 15 extended T 15 T 20 ...

Страница 127: ... jukebox be sure that disk cartridges are not moved from their original slot locations If you need to remove the cartridges record their slot locations and orientation so they can be replaced to their original positions Removing the Right Left and Rear Access Panels 1 Turn power off and unplug the power cord from the power source 2 Refer to Figure 5 1 for the location of the mounting screws on the...

Страница 128: ...Access Panels on page 5 2 If removing the front right panel the panel on which the control panel is mounted refer to Figure 5 2 a Remove the control panel cover plate 1 b Remove the control panel interface cable and power cable from the control panel PCA 2 and 3 c Rotate the control panel until the display faces the right end of the jukebox see 1 on Figure 1 Figure 5 2 Control Panel Cables Disconn...

Страница 129: ...Removal and Replacement Service Access Chapter 5 5 7 Removal and Replacement Front Panel ...

Страница 130: ...on the front and back of the right front panel See Figure 1 1 Left and Right Front Panel Mounting Screws 2 Remove the T 20 screw located under the rear edge of the top plastic center cover 4 on Figure 1 3 Pull the top plastic center toward the rear of the unit to unlock the tabs see 5 on Figure 1 4 Remove the panel by lifting the panel up from the rear edge while spreading the bottom of the panels...

Страница 131: ...and Rear Access Panels on page 5 2 Remove the power plug from the bottom of the power supply see 1 on Figure 5 3 3 Disconnect the cables from the top of the supply see Figure 5 3 The 5V 12V supply has four cables 2 the 24V supply has one cable 3 4 Remove the two T 20 screws at the top of the supply see arrows on top of power supplies in Figure 5 3 5 Lift the supply up and out ...

Страница 132: ...Removal and Replacement Replacing a Power Supply Chapter 5 5 10 Figure 5 3 Cables and Mounting Screws on the Power Supplies ...

Страница 133: ...e two T 15 mailslot mounting screws from the upper left side of the chassis see arrows on the left side of Figure 5 4 These screws are recessed Use a Torx driver with an extended shaft 3 Unplug the mailslot cable from the interposer PCA 4 Slide the mailslot out of the jukebox Thread the mailslot cable through the slot as you pull the mailslot out of the chassis see Figure Figure 5 4 Figure 5 4 Mai...

Страница 134: ...ot Assembly Chapter 5 5 12 Reassembly Notes Thread the mailslot cable down through the slot on the top of the PCA enclosure while inserting the mailslot into the chassis After mailslot is installed connect the mailslot cable to the interposer PCA ...

Страница 135: ...urn the panel upside down 3 Remove the four T 10 sheet metal screws from the control PCA retaining ring to detach the control panel PCA from the mounting assembly see the arrows on Figure 5 5 4 Remove the control panel Figure 5 5 Control Panel Assembly Mounting Screws Reassembly Notes When replacing the right front panel back onto the chassis ensure that the control panel is turned to face the sam...

Страница 136: ...Removal and Replacement Replacing the Control Panel Assembly Chapter 5 5 14 oriented incorrectly ...

Страница 137: ...g Firmware for all models and options of this jukebox is available for download at www hp com 1 Remove the right side panel see Removing the Right Left and Rear Access Panels on page 5 2 Remove the drive cables for the failed drive from the interposer PCA The cable group for drive 1 is shown on Figure 5 6 3 Remove the T 20 enclosure mounting screw on the enclosure holding the failed drive The moun...

Страница 138: ... enclosure on cables connected to the other drive enclosures 5 Remove the T 10 screws that hold the small cable access panel on the top of the drive enclosure Remove the panel see Figure 5 7 Figure 5 7 Unmounting a Drive From An Enclosure 6 Disconnect the drive cables from the rear of the drive see Figure 5 8 2 drive interface cable 3 SCSI cable 4 drive power cable ...

Страница 139: ...out of the enclosure 8 If there is a disk in the drive use a disk eject tool to remove the disk from the drive a Insert the eject tool or paper clip into the disk eject access hole see Figure 5 9 b When you feel firm pressure on the tip push forward The disk mechanism will eject the disk IMPORTANT Note whether the A or B side faces up when you remove the disk The disk must be inserted into the rep...

Страница 140: ...e remove the adhesive backing and stick the guide to the rear of the drive as shown in 1 on Figure 5 8 11 Insert and tighten the four T 10 screws that mount the drive into the enclosure 12 Remount the cable access panel on top of the enclosure with two T 10 screws see Figure 5 7 13 If a disk was removed from the failed drive replace the disk into the drive in the same orientation 14 Insert the dri...

Страница 141: ...w hp com 1 Remove the right side panel see Removing the Right Left and Rear Access Panels on page 5 2 On the interposer PCA note which drive shows a blinking status LED Slide the communication switch to the left for this drive there is a set of LEDs and switches for each drive an example is shown by 1 on Figure 5 10 3 Slide the communication switch to the left for the other drive in the stack abov...

Страница 142: ...Removal and Replacement Replacing an Optical Drive Jukebox Online Chapter 5 5 20 Drive Cables 4 Remove the two drive power connectors from the interposer PCA see 2 on Figure 5 10 ...

Страница 143: ...and out of the chassis Avoid catching the enclosure on cables connected to the other drive enclosure in the stack WARNING The jukebox is active during an online replacement procedure the picker may move at any time Do not extend your hand through the chassis into the interior of the jukebox 8 If there is a disk in the drive use a disk eject tool to remove the disk from the drive a Insert the eject...

Страница 144: ...5 11 Disk Eject Hole 9 Remove the T 10 screws on that hold the small cable access panel on the top of the drive enclosure Remove the panel see Figure 5 12 Figure 5 12 Unmounting a Drive From an Enclosure 10 Disconnect the drive cables from the rear of the drive see 2 3 and 4 on Figure 5 13 ...

Страница 145: ... 12 Connect the drive power cable between the replacement drive and the interposer PCA Connect the cable to the drive power connector that was used by the failed drive 13 Connect the service SCSI cable between your diagnostic PC and the replacement drive The service SCSI cable is stored to the left of the intrposer PCA 14 Apply power to the replacement drive using the following sequence a Either p...

Страница 146: ...NEXT to select DRV x POWER OFF Press ENTER 18 Remove the drive power and cable and service SCSI cable from the replacement drive Stow the service SCSI cable Reassembly Notes 1 Slide the drive into the drive enclosure and give yourself enough room to connect the drive interface cable SCSI cable and drive power cable to the rear of the replacement drive see Figure 5 13 Stick a clip on the rear of th...

Страница 147: ...ast over the SCSI cable see 2 on Figure 5 10 6 Slide the communication slide switch over to the right for both drives to signal the jukebox that drive replacement is complete see 1 on Figure 5 10 The jukebox applies power to the drives and informs the running application that the drives are ready to go online 7 Replace the right side access panel ...

Страница 148: ...ccess Panels on page 5 2 Disconnect all cables to the interposer PCA see Figure 5 14 3 Remove the eight T 20 screws holding the PCA to the chassis IMPORTANT CHECK TO SEE IF THERE IS A CONFIGURATION MODULE MOUNTED ON THE PCA 1 ON Figure 5 14 IF A CONFIGURATION MODULE IS INSTALLED TRANSFER THE MODULE TO THE REPLACEMENT PCA Figure 5 14 Disconnecting Cables and Screws ...

Страница 149: ...ent Replacing the Picker 1 Remove the rear access panel refer to Removing the Right Left and Rear Access Panels on page 5 2 Pull the tab on the end of the picker umbilical cable to disconnect the cable from the bottom of the picker see Figure 5 15 Figure 5 15 Picker Umbilical Cable ...

Страница 150: ... on the side of the picker 3 Placing the cable in the pinch slot prevents the cable from unraveling from the central picker hub Figure 5 16 Releasing and Stowing the Picker Translate Cable 4 Release the translate cable from the side of the translate frame nearest the rear of the jukebox see Figure 5 16 a Remove the spring and slotted plug that holds the translate cable 4 The cable passes through a...

Страница 151: ...The frame can be twisted by pulling it by the sides A twisted frame may cause various errors in operation 5 Raise the translate frame and picker up to a convenient working height so that you can access the underside of the picker Insert a screwdriver into the vertical motor gear box to hold the frame in position see Figure 5 17 Pull the frame up to the desired position and insert a screwdriver int...

Страница 152: ...Removal and Replacement Replacing the Picker Chapter 5 5 30 Figure 5 17 Holding the Translate Frame in Position 6 Remove the T 10 sheet metal screw that holds the capture spring down see Figure 5 18 ...

Страница 153: ...eplacement Figure 5 18 Releasing the the Picker Capture Bracket 7 Remove the capture spring by pulling it up and out of the unit 8 Rotate the capture bracket 90 degrees and pull the bracket down and out see Figure 5 19 Figure 5 19 Removing the Translate Frame Capture Bracket ...

Страница 154: ... you inserted into the rear of the vertical motor gear box and lower the translate frame and picker to the bottom of the jukebox 10 Tilt up the rear end of the picker and left it out of the frame see Figure 5 20 Figure 5 20 Rotating the Picker Assembly Out of the Translate Frame ...

Страница 155: ...the Right Left and Rear Access Panels on page 5 CAUTION Raise the translate frame only by pulling on the vertical drive rope see the top arrow on Figure 5 21 The frame can be twisted by pulling it by the sides A twisted frame may cause various errors in operation 2 Raise the translate frame up approximately midway up and secure it with a screwdriver inserted into the hole on the rear of the vertic...

Страница 156: ...Removal and Replacement Removing Replacing the Translate Frame Including the Picker Chapter 5 5 34 Figure 5 21 Raising the Translate Frame and Holding the Frame in Position ...

Страница 157: ...er strip and hang it out of the way see Figure 5 22 Pull down on the bottom of the encoder strip to release the strip from its retaining peg Once released the strip will slide up and out of the plastic guide WARNING The edges of the vertical encoder are sharp Be careful CAUTION Handle the encoder strip with care and ONLY BY THE SOLID SIDE see Figure 5 22 The CLEAR side is made up of very fine slit...

Страница 158: ...bracket on the front side of the picker translate frame see Figure 5 23 Remove the two T 20 screws holding the bracket and rotate the bracket off Figure 5 23 The Visual Locator Bracket 5 Disconnect the umbilical cable on the underside of the translate frame see Figure 5 24 Figure 5 24 Disconnecting the Vertical Umbilical Cable From the Translate ...

Страница 159: ...ove the translate frame down to the bottom of the jukebox 7 Remove the three rope tensioners from the frame 1 2 and 3 on Figure 5 25 a Remove two T 25 long screws per tensioner Start with the tensioner at the rear end of the frame 1 on Figure 5 25 b Pull all three rope tensioners free of the translate frame c Pull the rear tensioner upwards to raise all three tensionsers up and out of your way ...

Страница 160: ...Removal and Replacement Removing Replacing the Translate Frame Including the Picker Chapter 5 5 38 Figure 5 25 Removing the Tensioners From the Translate Frame ...

Страница 161: ... not damaged when the translate frame is removed 8 Rotate the rear of the translate frame up and then remove the frame out to the side see Figure 5 26 Figure 5 26 Rotating the Translate Frame Out of the Chassis Reassembly Notes IMPORTANT Take care to install the translate frame properly If the frame is not mounted level errors will be caused that will prevent the library from operating ...

Страница 162: ...e side of the translate frame 3 While tightening the mounting screw in a tensioner push down on the frame at that point to make sure that the translate frame remains on its lower stop while you tighten the mounting screw 4 Check that the translate frame is mounted level on the cables by centering the picker and pushing the frame down lightly and quickly If you hear a click it means that the frame ...

Страница 163: ...ment Move the translate frame up and lock it while reinstalling the encoder strip Ensure that the encoder strip passes through the sensor slot on the sensor PCA mounted on the side of the picker frame see Figure 5 22 The strip may be moved off its mounting peg while you are replacing the translate frame in the chassis ...

Страница 164: ...eft and Rear Access Panels on page 5 WARNING The edges of the vertical encoder are sharp Be careful CAUTION Handle the encoder strip with care and ONLY BY THE SOLID SIDE The CLEAR side is made up of very fine slits and CAN BE EASILY DAMAGED 2 Release the lower end of the vertical encloder strip see 1 on Figure 5 28 3 Unhook the top of the encoder strip from the spring and remove Figure 5 28 ...

Страница 165: ...Removal and Replacement Removing Replacing the Vertical Encoder Strip Chapter 5 5 43 Removal and Replacement Figure 5 28 Releasing the Ends of the Vertical Encoder Strip ...

Страница 166: ...emoving the Right Left and Rear Access Panels on page 5 2 Disconnect the two power cables to the vertical motor see Figure 5 29 NOTE Note the orientation of the motor before removing it in the next step The motor must be replaced in the same position on reassembly 3 Remove two T 15 motor mounting screws on the gear box Remove the motor see Figure 5 29 ...

Страница 167: ...Removal and Replacement Replacing the Vertical Motion Motor Chapter 5 5 45 Removal and Replacement Figure 5 29 Cables and Mounting Screws on the Vertical Motion Motor ...

Страница 168: ... the Translate Frame Including the Picker on page 33 3 Pull the rear tensioner upwards to raise all three tensioners up to a convenient working height Figure 5 30 Opening the Tensioners to Relieve Cable Tension 4 Release the tension on the rear rope tensioner drive rope using the following steps see Figure 5 30 a Pull back the metal section to release the metal securing tab seated in the plastic s...

Страница 169: ...per pulleys see 3 on Figure 5 30 6 Remove the drive rope from the rear tensioner see 2 on Figure 5 30 a Unfasten the spring b Pull both ends of the rope out of the tensioner 7 Remove the T 15 screw from the rope coupler cover see 1 on Figure 5 31 Figure 5 31 Disconnecting the Rope Coupler 8 Remove the drive rope from the coupler see 2 on Figure 5 31 ...

Страница 170: ...eplacing the rear rope tensioner be sure that the tensioner spring area is positioned so that it faces you This ensures that the rope tensioner is in the right position to fasten to the translate frame see Figure 5 33 To give yourself enough slack in the fasten the drive rope ends to the rope tensioner before hanging the drive rope over the top two pulleys Before applying tension by setting the ro...

Страница 171: ...Replacement Replacing the Vertical Motor Gear Box Chapter 5 5 49 Removal and Replacement Figure 5 33 Positioning the Tensioner to Mount on the Translate Frame Figure 5 34 Placement of the Ropes in the Rope Coupler ...

Страница 172: ...ss panel refer to Removing the Right Left and Rear Access Panels on page 5 2 Remove the six T 20 screws on the controller PCA cover see Figure 5 35 Note the two reference pin holes on the rear edge of the cover Use these pins to position the cover correctly during reassembly Figure 5 35 Removing the Controller PCA Cover ...

Страница 173: ...d Replacement Figure 5 36 Controller PCA Cables and Screws 3 Disconnect the following cablesfrom the controller PCA see Figure 5 35 SCSI cable 1 Power cable 2 Motor encoder and power cables 3 Picker cable 4 4 Remove the seven T 20 screws from the controller PCA and remove the PCA ...

Страница 174: ...r 5 5 52 Replacing the Interface PCA 1 Remove the left access panel refer to Removing the Right Left and Rear Access Panels on page 5 2 Remove thefour T 20 screws holding the interface module cover see Figure 5 38 Figure 5 37 Removing the SCSI Interface Module ...

Страница 175: ...ng the Interface PCA Chapter 5 5 53 Removal and Replacement 3 Disconnect the cables to the interface PCA see Figure 5 39 Figure 5 38 Removing the SCSI Interface PCA 4 Remove the six T 15 PCA screws and remove the PCA see Figure 5 38 ...

Страница 176: ...eplacement Replacing the Interface PCA Chapter 5 5 54 5 When reassembling put the cables on the interface PCA as follows 1 SCSI cable 2 interface PCA power cable 4 GPIO cable Figure 5 39 Cables on the Interface PCA ...

Страница 177: ...d Rear Access Panels on page 5 2 Remove the SCSI cable from the interface PCA Do Steps 2 and 3 of Replacing the Interface PCA on page 52 Remove only the SCSI cable on the bottom of the interface PCA 3 Remove the SCSI cable from the controller PCA Do Steps 2 to 4 of Replacing the Controller PCA on page 50 to remove the controller PCA Remove the SCSI cable from underneath the controller PCA ...

Страница 178: ... to remind you of the RFI adjustments that must remain in place Be sure that there is an RFI clamp holding the SCSI and GPIO cable together as shown in Figure 5 40 Clamp 1 has end clips 2 to hold the two plates together Be sure that there are cable clamps holding the SCSI and GPIO cables to the side of the jukebox as shown in Figure 5 41 Be sure that there is an EMI strip installed on the right si...

Страница 179: ...Removal and Replacement Checking the RFI Adjustments Chapter 5 5 57 Removal and Replacement Figure 5 41 Cable Clamps on the GPIO and SCSI Cables Figure 5 42 EMI Strip on the Right Side Panel ...

Страница 180: ...kebox you may need an adapter from the list below A firmware download utility such as SCSI Toolbox by Peripheral Test Instruments PTI An MO scratch disk for testing the drives Current Jukebox and Drive Firmware Obtain the most current version of the jukebox controller and drive firmware for the model and option of the jukebox you are upgrading converting Firmware for all models and options of this...

Страница 181: ...x REV zzzz displays where x represents a drive number and z represents the revision level of that drive 6 Press NEXT or PREV to select other drives and press ENTER 7 After viewing the revision level for all drives press CANCEL 8 Determine if the jukebox and or drives have the current firmware revision level If the firmare is current no download is necessary If the jukebox controller and or drive f...

Страница 182: ... module Connectors on the module are high density Place the interface select switch to the single ended position if necessary 5 Turn the jukebox on Wait until the jukebox shows READY in the display 6 Turn your PC tool on 7 Follow your download utilities instructions to download the firmware needed jukebox and or drives 8 Verify the operation of the drives by running a random write for approximatel...

Страница 183: ...fault configurations are as follows Table 5 1 Default Configuration Settings Configuration Default Value RECOVERY ON DUAL PICKER ON STARWARS ON SCSI LOG OFF SECURE OFF SECURE MAIL OUT POWER SECURE OFF REP RECOVERED ON CONF 40 OFF WRITE VERIFY ON LUN Mode OFF SCSI Addresses robotics controller 6 drive 1 5 drive 2 4 drive 3 3 if installed drive 4 2 if installed Password 000 000 000 ...

Страница 184: ...place of the x when checking your parts database and the current part number will display Table 5 2 Exchange Parts FRU No Part Number Description 2 C1113 69x14 optical drive mechanism 9 1 Gb 2 C1113 69x08 optical drive mechanism 5 2 Gb 19 C1170 69x03 configuration module Table 5 3 Non Exchange Assemblies FRU No Part Number Description 1 C1153 60x01 robotic controller PCA 2 C1113 60x14 optical driv...

Страница 185: ...w 24v 34 C1160 60x34 slave rope 35 C1160 60x35 translate rope 36 C1160 60x36 coupler assembly 37 C1160 60x37 tensioner assembly 39 C1160 60x39 encoder mount 40 C1160 60x40 translate frame 41 C1160 60x41 vertical umbilical cable 42 C1160 60x42 mount guide slider 43 C1160 60x43 translate umbilical cable 45 C1170 60x59 Internal SCSI Cable 46 C1160 60x46 capture roller assembly 47 C1170 60x47 drive en...

Страница 186: ...el left side parchment white B C5175 00204 panel right side flint grey B C5175 00205 panel right side parchment white C C1160 60094 panel left front flint grey C C1160 60093 panel left front parchment white D C1160 60095 panel right front flint grey D C1160 60096 right front panel parchment white E C1160 60084 panel top right corner flint grey E C1160 60088 panel top right corner parchment white F...

Страница 187: ... I C1160 00607 panel side RFI J C1160 00608 cover corner K C1160 00617 cover bottom center flint grey K C1160 00618 cover bottom center parchment white C1160 60199 packaging kit for reshipment 9170 1736 ferrite 1 2 width 2 required 1400 0514 flat RFI cable clamp C1160 80602 EMI gasket Table 5 3 Non Exchange Assemblies FRU No Part Number Description ...

Страница 188: ...Removal and Replacement Replaceable Parts Chapter 5 5 66 Figure 5 43 Exploded View 1 of 3 ...

Страница 189: ...Removal and Replacement Replaceable Parts Chapter 5 5 67 Removal and Replacement Figure 5 44 Exploded View 2 of 3 ...

Страница 190: ...Removal and Replacement Replaceable Parts Chapter 5 5 68 Figure 5 45 Exploded View 3 of 3 ...

Страница 191: ...Removal and Replacement Replaceable Parts Chapter 5 5 69 Removal and Replacement Figure 5 46 Power Cabling ...

Страница 192: ...Removal and Replacement Replaceable Parts Chapter 5 5 70 Figure 5 47 Rope and Pulley System ...

Страница 193: ...Chapter 6 6 1 Theory of Operation 6 Theory of Operation ...

Страница 194: ...2 Overview This chapter gives information in the following topics jukebox robotics robotics controller PCA interposer PCA configuration module power supplies the SCSI interface on this jukebox SCSI interface PCA picker optical drive mechanism ...

Страница 195: ... is translated into a series of smaller submoves in the servo code of the jukebox and executed Figure 6 1 SCSI Command Translations The commands are translated into the following macro moves which are basic jukebox functions Move carriage Positions the picker transport to a position along the rails Flip Rotates the picker Cartridge I O Plunges and retrieves the picker finger assembly to move cartr...

Страница 196: ... speed unobstructed movements of known distances Saturation move Same as a position move except that a high force is expected within a given distance however motion is halted if force exceeds a specified threshold These moves are used for low speed unobstructed movements that are adaptable Each micro move within a specific macro move has a unique set of stability performance error recovery force a...

Страница 197: ... the chip The ASIC also provides pulse width modulation PWM output signals to drive the motor circuitry SPIFI Chip SCSI bus control The processor interface function of the chip includes the handling of internally and externally generated interrupt sources The programmable features section of the chip provides a control panel display state machine and firmware configurable feature and general purpo...

Страница 198: ...d to a 5 volt reference which results in an excitation voltage of from two to three volts The grids of the display are at approximately 20 volts Buffers for incoming control panel switch signals and signals from the mailslot sensor are also handled by the control panel drivers Figure 6 2 Robotic Controller PCA Block Diagram ...

Страница 199: ...Theory of Operation Interposer PCA Chapter 6 6 7 Theory of Operation Interposer PCA The interposer PCA is an extension of the controller PCA Figure 6 3 Interposer PCA Block Diagram ...

Страница 200: ...pin down requests drive sensing error status detection sensing presence of a cartridge resetting the drive sensing a loaded cartridge setting write with verify and setting the SCSI ID for the drive The controller can talk serial protocol to each drive individually through the serial port multiplexer MUX This communication path which is also routed through the AC interface connector enables the con...

Страница 201: ...drive individually Req signals come from the drives and are buffered into one signal going back to the host computer If a drive problem occurs there is a possibility that this problem could be from the interposer s buffering of the Req and Ack signals But if the problem is due to Req and Ack it will probably affect only one drive ...

Страница 202: ... a full complement of slots installed The jukebox may however be sold and used as a half version using 32 slots When a configuration module is plugged into the interposer PCA and power is turned on the jukebox will sense the additional 32 slots and automatically begin operating as a full 64 slot jukebox This presence of this module is confirmed regularly by the jukebox firmware If the module is re...

Страница 203: ...ed through the power distribution PCA in the interface enclosure Connection is direct to the 24 volt power supply When the 24 volt power supply comes up and is good AND if the power standby switch on the right side of the jukebox is in the ON position the output of the 24 volt power supply is enabled The 24 volt output closes the relay on the power distribution PCA allowing line power to be applie...

Страница 204: ...SCSI device bus Operate in a LUN mapping mode Internally the jukebox has a single ended SCSI bus The external differential and single ended connections are on the top of the PCA and the single ended bus connection to the jukebox is on the bottom A slider switch between the two external connectors on the top of the PCA selects which type of input will be accepted See Figure 6 5 Figure 6 5 SCSI Inte...

Страница 205: ... 1 and 2 jumpered together allows the PCA to provide TERMPOWER to the differential external host SCSI bus default J5 enable disable internal bus TERMPOWER PINS 1 and 2 jumpered together allows the PCA to provide TERMPOWER to the internal SCSI bus default J4 bus terminator configuration PIN 1 and 2 jumpered together enable bus termination default When enabled active termination is supplied for the ...

Страница 206: ...interface type is connected to the interface connector on this PCA the LED will continuously and rapidly flash to alert the user to this error No damage is caused to the chips on the PCA by having connectors in the wrong position During powerup the position of the interface selector switch is checked to see which external bus is active and if the proper bus type is on the selected interface port I...

Страница 207: ... differential interface accepts a wide bus in its 68 pin connector but only uses the 50 data and control lines that comprise the narrow portion of the bus The other 18 lines that provide the upper IDs and data of the wide bus are ignored Note that all lines of the wide bus pass through the two 68 pin differential connectors The wide bus is maintained as a wide bus The single ended connectors are 5...

Страница 208: ...es on the bus can be affected Consider the quantity of data that the bus will have to carry the frequency of data transfer and the priority of the data transfer under consideration If the jukebox is used as a backup or archive device the demands on the jukebox will be different than if the jukebox is used for near online storage where requests for data are more random in both frequency and amount ...

Страница 209: ...e IDs of devices at 8 or above The lower eight data lines transfer commands and messages allowing all devices regardless of size to co exist on the bus However data transfers and device addressing occur on the higher bits Since a narrow device can t see the upper 8 data bits that translates to it not being able to see wide devices with a SCSI ID above 8 The host adapter is a device so if mixing wi...

Страница 210: ...ee how to apply termination Use active terminators to reduce noise sensitivity Never terminate the bus at any place except the physical ends Terminating the bus in the middle will probably cause the bus to become inoperable or operate in a state that could cause data loss If devices are on both sides of the host computer adapter such as hard drives internal to the host computer and a jukebox exter...

Страница 211: ...Theory of Operation Configuring This Jukebox on a SCSI Bus Chapter 6 6 19 Theory of Operation General Do not connect a single ended bus to a differential bus Damage can occur ...

Страница 212: ...t In this jukebox the single element address is 0 Dual picker Mode In dual picker mode each thumb on the picker is considered an element and is addressed individually by its own element number 16 or 17 Even though it is in dual picker mode the picker can also be addressed as a single element when the translate assembly is executing Exchange Move and Position to Element commands The translate assem...

Страница 213: ...ly specialized integrated circuit that handles SCSI control data buffering and encode decode The data buffer function provides a buffer to match transfers to and from the host computer and the optical disk The data buffer provides a cache for read and write operations optimizing the speed of these transfers This controller provides the SCSI interface connection to the host computer that consists o...

Страница 214: ...nnect the major blocks CPU DSP write read channel DSP Digital Signal Processor The DSP controls the following servos spindle motor speed laser power control track following seek position maintenance focus actuation fine position actuation and coarse position actuation Whenever the drive is performing a read or write operation all these servos are activated Read Write Channel Electronics Read write...

Страница 215: ...aser beam for erase write and read operations Focus Servo Fcs Controls the vertical motion of the objective lens to focus the laser beam on the disk surface Fine Tracking Servo Trk Controls the horizontal motion of the objective lens to follow the track of the disk Linear Motor LM Positions the actuator in the vicinity of the desired track on the disk Errors The various error thresholds are the ba...

Страница 216: ...resholds for the optical drive The sector IDs column refers to the minimum number of sector IDs that must be read correctly for the corresponding operation to be deemed successful The ECC level column refers to the to the maximum number of bytes per interleave that require correction in order for the corresponding operation to be deemed successful Error Detection The jukebox error detection method...

Страница 217: ...used is compared to the recommended force for each move The jukebox uses this information to detect errors or qualify moves The difference between sense of touch and overforce shutdown is that the servo is not automatically shut down if sense of touch detects an error Motor position The positions of the motors are continuously monitored by the controller PCA The position along with the sense of to...

Страница 218: ...Theory of Operation Optical Drive Mechanism Chapter 6 6 26 ...

Страница 219: ...Appendix A A 1 Safety and Regulatory A Safety and Regulatory Information ...

Страница 220: ...ormation Overview of this Appendix Appendix A A 2 Overview of this Appendix This appendix contains important safety and regulatory information for the United States Finland Sweden Germany United Kingdom European Union and Japan ...

Страница 221: ...pliance is mandatory for products marketed in the United States The labels and artwork shown below indicate compliance with CDRH regulations and must be attached to laser products marketed in the United States WARNING Use of controls adjustments or performing procedures other than those specified in this manual may result in hazardous laser radiation exposure NOTE Complies with 21 CFR Chapter 1 Su...

Страница 222: ...1984 Appendix A A 4 United Kingdom Telecommunications Act 1984 The HP SureStore Optical 160ex 320ex 400ex 300mx 600mx 700mx jukeboxes are approved under Approval Number NS G 1234 J 100003 for indirect connection to Public Telecommunication Systems within the United Kingdom ...

Страница 223: ...Safety and Regulatory Information Declaration of Conformity Appendix A A 5 Safety and Regulatory Declaration of Conformity ...

Страница 224: ...8 Januar 1991 Schalldruckpegel Lp 70 dB A am arbeitsplatz normaler betrieb nach ISO 7779 1988 EN 27779 1991 Typprüfung English Translation of German Sound Emission Directive This statement is provided to comply with the requirements of the German Sound Emission Directive from 18 January 1991 Sound pressure Lp 70 dB A at operator position normal operation according to ISO 7779 1988 EN 27779 1991 ty...

Страница 225: ...ulla tavalla saattaa altistaa käyttäjän turvallisuusluokan 1 ylittävälle lasersäteilylle VARNING Om apparaten används på annat sätt än i bruksanvisning specificerats kan användaren utsättas för laserstrålning som överskrider gränsen för laserklass 1 Huolto HP SureStore Optical 160ex 320ex 400ex 300mx 600mx 700mx levymuistiasemien sisällä ei ole käyttäjän huollettavissa olevia kohteita Laitteen saa...

Страница 226: ... optiska drivmodulen öppnas och spärren urkopplas då apparaten är i funktion utsättas användaren för laserstrålning Betrakta ej strålen Tiedot luku kirjoitusyksikössä käytettävän laserdiodin säteilyominaisuuksista Aallonpituus 680 nm 5 2 Gb drv 660 nm 9 1 Gb drv Teho 60 mW Turvallisuusluokka 3B ...

Страница 227: ...ouncil of State and the standard EN 60825 WARNING The use of the product otherwise than specified in the user s manual may expose the user to laser radiation exceeding safety class 1 The same warning in Swedish SERVICE There are no user serviceable parts inside the jukebox The jukebox products can be serviced only by qualified service personnel The optical drive mechanism s installed inside the li...

Страница 228: ...pment is in the Class A category information technology equipment based on the rules of Voluntary Control Council For Interference by Information Technology Equipment VCCI When used in a residential area radio interference may be caused In this case user may be required to take appropriate corrective actions ...

Страница 229: ...SI IDs 3 8 second level 3 8 TEST 3 8 top level 3 8 drives 6 21 E ejecting a disk 3 11 entering the administration password 3 12 environmental specifications 1 6 error verification and recovery 4 14 G German sound emission A 6 I installation error recovery 4 5 installation responsibilities 1 11 internal tests descriptions 4 43 listing of 4 43 running 4 43 used by service 4 43 interposer PCA 6 7 J J...

Страница 230: ...arance 1 9 location 1 10 power 1 8 retrieving logs 3 24 RFI adjustments 5 56 right service access panel 2 3 S safety regulations compliance A 1 SCSI configuring this jukebox 6 15 SCSI bus active bus indicator 2 5 interface selection switch 2 5 ports 2 5 SCSI cables connecting 2 6 maximum length 2 6 SCSI IDs changing 3 17 conflict 3 18 must be one digit apart 3 18 setting LUN mode 3 15 settting 3 1...

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